Home / 81,037.53-111,838.12-45,232.91

Finding the Fourth Proportional to 81,037.53, 111,838.12 and 45,232.91

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Solution

The fourth proportional to 81,037.53, 111,838.12 and 45,232.91 is: 62,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,037.53 : 111,838.12 = 45,232.91 : x
  2. Step 2: Convert to fraction form
    81,037.53/111,838.12 = 45,232.91/x
  3. Step 3: Cross multiply
    81,037.53x = 111,838.12 × 45,232.91
  4. Step 4: Simplify right side
    81,037.53x = 5,058,763,363.65
  5. Step 5: Solve for x
    x = 5,058,763,363.65/81,037.53
  6. Step 6: Final answer
    x = 62,424.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.